Finding the Fourth Proportional to 270,135.20, 372,809.02 and 149,300.08
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Solution
The fourth proportional to 270,135.20, 372,809.02 and 149,300.08 is: 206,046.51
Step by Step Solution
- Step 1: Write the proportion equation
270,135.20 : 372,809.02 = 149,300.08 : x - Step 2: Convert to fraction form
270,135.20/372,809.02 = 149,300.08/x - Step 3: Cross multiply
270,135.20x = 372,809.02 × 149,300.08 - Step 4: Simplify right side
270,135.20x = 55,660,416,510.72 - Step 5: Solve for x
x = 55,660,416,510.72/270,135.20 - Step 6: Final answer
x = 206,046.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.